820965904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3083}}^1$

素因数の和:3208

約数の個数: 80

約数和(自身を含む): 1858541760

約数和(自身を除く): 1037575856

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 89, 136, 176, 178, 187, 272, 356, 374, 712, 748, 979, 1424, 1496, 1513, 1958, 2992, 3026, 3083, 3916, 6052, 6166, 7832, 12104, 12332, 15664, 16643, 24208, 24664, 33286, 33913, 49328, 52411, 66572, 67826, 104822, 133144, 135652, 209644, 266288, 271304, 274387, 419288, 542608, 548774, 576521, 838576, 1097548, 1153042, 2195096, 2306084, 3018257, 4390192, 4612168, 4664579, 6036514, 9224336, 9329158, 12073028, 18658316, 24146056, 37316632, 48292112, 51310369, 74633264, 102620738, 205241476, 410482952, 820965904]

約数ペア:

[(1, 820965904), (2, 410482952), (4, 205241476), (8, 102620738), (11, 74633264), (16, 51310369), (17, 48292112), (22, 37316632), (34, 24146056), (44, 18658316), (68, 12073028), (88, 9329158), (89, 9224336), (136, 6036514), (176, 4664579), (178, 4612168), (187, 4390192), (272, 3018257), (356, 2306084), (374, 2195096), (712, 1153042), (748, 1097548), (979, 838576), (1424, 576521), (1496, 548774), (1513, 542608), (1958, 419288), (2992, 274387), (3026, 271304), (3083, 266288), (3916, 209644), (6052, 135652), (6166, 133144), (7832, 104822), (12104, 67826), (12332, 66572), (15664, 52411), (16643, 49328), (24208, 33913), (24664, 33286)]